Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {25, 2, 13, 8, 5, 11} → ______
- Prime numbers in {23, 29, 21, 8, 27, 11} → ______
- Prime numbers in {17, 13, 12, 7, 19, 15} → ______
- Prime numbers in {9, 8, 2, 17, 11, 3} → ______
- Prime numbers in {25, 12, 17, 7, 19, 11} → ______
- Prime numbers in {3, 25, 12, 8, 13, 5} → ______
- Prime numbers in {17, 3, 5, 25, 21, 12} → ______
- Prime numbers in {8, 19, 17, 25, 5, 12} → ______
- Prime numbers in {29, 21, 15, 11, 7, 5} → ______
- Prime numbers in {13, 19, 9, 15, 11, 5} → ______
- Prime numbers in {29, 3, 19, 2, 25, 23} → ______
- Prime numbers in {9, 11, 29, 27, 3, 19} → ______
- Prime numbers in {19, 13, 17, 8, 15, 3} → ______
- Prime numbers in {27, 29, 3, 19, 2, 25} → ______
- Prime numbers in {8, 27, 23, 19, 15, 13} → ______
- Prime numbers in {8, 23, 21, 19, 9, 25} → ______
- Prime numbers in {23, 17, 13, 25, 7, 5} → ______
- Prime numbers in {5, 9, 23, 13, 27, 25} → ______
- Prime numbers in {25, 3, 7, 8, 23, 29} → ______
- Prime numbers in {23, 3, 12, 27, 9, 8} → ______